CN211347411U - Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed - Google Patents
Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed Download PDFInfo
- Publication number
- CN211347411U CN211347411U CN201922433037.4U CN201922433037U CN211347411U CN 211347411 U CN211347411 U CN 211347411U CN 201922433037 U CN201922433037 U CN 201922433037U CN 211347411 U CN211347411 U CN 211347411U
- Authority
- CN
- China
- Prior art keywords
- train
- sleeper
- mounting
- outer rail
- turning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model provides a test platform of simulation train turning sleeper unbalanced force to ballast bed influence, include: a railway ballast test box; a transparent observation section; two support frames; two mounting posts; the cross beam is erected between the two mounting columns; and a train simulation unit for simulating an acting force applied to the inner rail and the outer rail by the train in a turning process, the train simulation unit including: a transverse electric cylinder, two longitudinal vibrators and three mounting and adjusting members; the transverse electric cylinder is movably and angularly arranged on the mounting column corresponding to the outer rail through a mounting and adjusting component, and the driving end applies pulling force to the outer rail to simulate centrifugal force generated during turning; the two longitudinal vibrators are movably and angularly mounted on the cross beam through corresponding mounting and adjusting members and correspond to the outer rail and the inner rail respectively, and driving ends of the two longitudinal vibrators apply force to the corresponding outer rail and the corresponding inner rail respectively to simulate unbalanced acting force applied to the outer rail and the inner rail by a train at a turning position.
Description
Technical Field
The utility model belongs to there is tiny fragments of stone, coal, etc. track test device field, concretely relates to test platform of simulation train turning sleeper unbalanced force to ballast bed influence.
Background
Along with the trend of high speed and heavy load of railway trains in China, the trains are easy to displace sleepers and cause the loosening displacement of railway ballasts when passing through small-radius curve line sections and turnout areas (turning positions), the pressure received by the inner rail and the outer rail is different to cause vertical uneven settlement, and the lateral displacement caused by centrifugal force can cause the change of the line geometric dimension, thereby seriously affecting the driving safety. At present, a method of limiting the speed of a train and increasing the height of an outer rail section ballast is often adopted at a turning position of the train to reduce the centrifugal force. However, doing so not only limits vehicle speed, reduces railway efficiency, but also increases the risk of derailment at the turn. In addition, the steel rail is seriously abraded, so that the maintenance period is greatly shortened, and the transportation cost is increased.
Therefore, in order to effectively increase the speed of the train and improve the transportation efficiency and ensure the driving safety and reduce the derailment risk when the train passes through a turning, it is necessary to deeply study the stress condition of the sleeper at the turning of the train and the influence on the track bed.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve above-mentioned problem and go on, aim at provides a test platform of simulation train turning sleeper unbalanced force to the influence of railway roadbed.
The utility model discloses a realize above-mentioned purpose, adopted following scheme:
the utility model provides a test platform of simulation train turning sleeper unbalanced force to ballast bed influence, a serial communication port, include: the device comprises a railway ballast test box, a railway ballast test box and a simulation test box, wherein the railway ballast test box is used for filling railway ballasts to form a railway bed, and an opening at the upper part is used for placing a sleeper for simulation on the railway bed; the transparent observation part comprises a plurality of transparent observation windows, is arranged on four side walls of the railway ballast test box and is used for displaying the movement and the crushing condition of railway ballast particles in the railway bed; the two support frames are respectively positioned near two sides of the railway ballast test box; the two mounting columns are respectively fixed on the two support frames and correspond to the inner rail and the outer rail for simulation mounted on the sleeper; the cross beam is erected between the two mounting columns; and a train simulation part for simulating the acting force applied to the inner rail and the outer rail by the train in the turning process, comprising: a transverse electric cylinder, two longitudinal vibrators (servo hydraulic vibrators), and three mounting adjustment members corresponding to the transverse electric cylinder and the two longitudinal vibrators respectively; the transverse electric cylinder is movably and angularly arranged on the mounting column corresponding to the outer rail through a mounting and adjusting component, and the driving end applies pulling force to the outer rail to simulate centrifugal force generated during turning; the two longitudinal vibrators are movably and angularly mounted on the cross beam through corresponding mounting and adjusting members and correspond to the outer rail and the inner rail respectively, and driving ends of the two longitudinal vibrators apply force to the corresponding outer rail and the corresponding inner rail respectively and independently to simulate unbalanced acting force applied to the outer rail and the inner rail by a train at a turning position.
Preferably, in the test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed, the test platform can also have the following characteristics: regarding an adjusting member corresponding to the longitudinal vibrator as a longitudinally installed adjusting member, regarding an adjusting member corresponding to the lateral electric cylinder as a laterally installed adjusting member, the longitudinally installed adjusting member includes: the device comprises a first connecting plate, first mounting holes formed in the beam and arranged at equal intervals along the axial direction, a first fixing piece fixedly mounting the first connecting plate in the first mounting holes, two first supporting plates fixed on the first connecting plate oppositely, a first rotating shaft rotatably mounted between the two first supporting plates, a first scale area arranged on the first supporting plates and used for displaying a rotating angle, a first indicating line arranged on the longitudinal vibrator and corresponding to the first scale area and indicating an angle position, and a first locking piece locking and stopping the first rotating shaft after rotating to a preset angle; the longitudinal vibrator is fixedly connected with the first rotating shaft; the lateral installation adjustment member includes: the second connecting plate is formed on the mounting column, second mounting holes are formed in the mounting column and are arranged at equal intervals along the axial direction, a first fixing piece is used for fixedly mounting the second connecting plate in the second mounting holes, two second supporting plates are oppositely fixed on the second connecting plate, a second rotating shaft is rotatably mounted between the two second supporting plates, a second scale area is arranged on the second supporting plates and is used for displaying a rotating angle, a second indicating line is arranged on the longitudinal vibrator and corresponds to the second scale area to indicate the angle position, and a second locking piece is used for locking and stopping the second rotating shaft after the longitudinal vibrator rotates to a preset angle; the transverse electric cylinder is fixedly connected with the second rotating shaft.
Preferably, in the test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed, the test platform can also have the following characteristics: the train simulation part also comprises a transverse connecting member for fixedly connecting the transverse electric cylinder and the outer rail, and the transverse connecting member comprises two pulling plates and a plurality of pulling rods; one of the two pulling plates is positioned at the outer side of the outer rail and is fixedly connected with a driving rod of the transverse electric cylinder, and the other pulling plate is positioned at the inner side of the outer rail; the pull rod runs through the outer rail, and two ends of the pull rod are respectively fixed on the two pull plates.
Preferably, in the test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed, the test platform can also have the following characteristics: and a plurality of third mounting holes which are arranged at equal intervals along the axial direction are arranged in the area above the second mounting hole on each mounting column, and the two ends of the cross beam can be erected between the two mounting columns in a vertically movable manner through third connecting pieces matched with the third mounting holes.
Preferably, in the test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed, the test platform can also have the following characteristics: each support frame is of a portal structure and exposes the transparent observation part.
Preferably, the utility model relates to a among the test platform of simulation train turning sleeper unbalanced force to the influence of railway roadbed, can also include: and the high-definition cameras are respectively arranged near the transparent observation windows and are used for shooting the motion and the broken condition images of the ballast particles in real time.
Preferably, the utility model relates to a among the test platform of simulation train turning sleeper unbalanced force to the influence of railway roadbed, can also include: the first group of pressure sensors are arranged at the bottom of the sleeper and correspond to the outer rail, the second group of pressure sensors are arranged at the bottom of the sleeper and correspond to the inner rail, the third group of pressure sensors are arranged at the middle area of the bottom of the sleeper, the fourth group of pressure sensors are arranged on the bottom surface of the railway ballast and are positioned under the first group of pressure sensors, the fifth group of pressure sensors are arranged on the bottom surface of the railway ballast and are positioned under the second group of pressure sensors, the sixth group of pressure sensors are arranged on the bottom surface of the railway ballast and are positioned under the third group of pressure sensors, and the seventh group and the eighth group of pressure sensors are respectively arranged on the side wall of the railway ballast test box and correspond to the two end side surfaces of the sleeper.
Preferably, in the test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed, the test platform can also have the following characteristics: and a scale area for displaying the height of the internal filling material is arranged on the side wall of the railway ballast test box.
Action and effect of the utility model
According to the test platform for simulating the influence of the unbalanced force of the sleeper at the turning position of the train on the track bed, as the transverse electric cylinder is movably and angularly installed on the installation column corresponding to the outer rail through the installation and adjustment component, and the driving end applies the pulling force to the outer rail, the centrifugal force generated during turning can be simulated, and the centrifugal forces in different directions can be simulated by adjusting the angle of the transverse electric cylinder; the two longitudinal vibrators are movably and angularly adjustable mounted on the cross beam through corresponding mounting and adjusting members and respectively correspond to the outer rail and the inner rail, the driving ends of the two longitudinal vibrators respectively and independently apply force to the corresponding outer rail and the corresponding inner rail, and the stress conditions of the outer rail and the inner rail are respectively and independently simulated, so that unbalanced acting force applied to the outer rail and the inner rail by a train at a turning position can be simulated, and the force in different directions can be simulated by adjusting the angle of the longitudinal electric cylinder; the force application condition of the train at the turning to the sleeper and the track bed can be reflected more truly and effectively through the simulation of the centrifugal force and the unbalanced acting force, and the extreme working condition of the train at the derailment critical load during the turning can be simulated; furthermore, the specific movement and the crushing condition of the ballast particles in the ballast bed can be displayed through a plurality of transparent observation windows.
To sum up, the utility model discloses can rationally effectively simulate and reflect a series of influence changes that the train was marchd the in-process to the sleeper at tiny fragments of stone, coal, railway ballast, obtain scientific and effective test data, help the researcher to carry out comprehensive deep test and analytical study to uneven settlement mechanism and lateral deviation under the inside and outside sleeper of track turning, and then propose reasonable protection and improvement measure, have very important meaning to guaranteeing security and high efficiency etc. of high speed, heavy load railway turning in-process.
Drawings
Fig. 1 is a perspective view of a test platform for simulating the influence of the unbalanced force of a sleeper at a turning of a train on a track bed according to an embodiment of the present invention;
fig. 2 is a front view of a test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed according to the embodiment of the invention;
fig. 3 is a side view of a test platform for simulating the effect of a sleeper imbalance force at a train corner on a track bed according to an embodiment of the present invention;
fig. 4 is a top view of a test platform for simulating the effect of the unbalanced forces of the sleepers at the turning points of the train on the track bed according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a mounting post according to an embodiment of the present invention;
fig. 6 is a first enlarged view of a part of a train simulation unit according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a cross beam according to an embodiment of the present invention;
fig. 8 is a second partial enlarged view of the train simulation unit according to the embodiment of the present invention;
fig. 9 is a third partial enlarged view of the train simulation unit according to the embodiment of the present invention;
fig. 10 is a schematic view of the installation position of the pressure sensor according to the embodiment of the present invention.
Detailed Description
The test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed related to the utility model is explained in detail with reference to the attached drawings.
< example >
As shown in fig. 1 to 10, a test platform 10 for simulating the influence of the unbalanced force of the sleeper at the turning of a train on a track bed comprises a ballast test box 20, a transparent observation part 30, two support frames 40, a mounting column 50, a cross beam 60, a train simulation part 70, a plurality of high-definition cameras and a plurality of groups of pressure sensors 80.
The railway ballast test box 20 is used for filling railway ballasts to form a railway bed D, the upper part of the railway ballast test box is provided with an opening, and a sleeper Z for simulation can be placed on the filled railway bed D through the opening; the side wall of the ballast test box 20 is also provided with a scale area for displaying the height of the internal filling. In the embodiment, the adopted sleeper Z and the railway ballast are completely the same as the simulated real track condition, and a 1:1 full-size turning sleeper Z loading test is carried out, wherein a III-type sleeper Z is specifically adopted in the embodiment. In the railway ballast test box 20, thereby can change the height of the horizontal thickness of laying of railway ballast change railway roadbed D to thereby can change the slope of the laying inclination of railway ballast change sleeper Z, thereby adjust interior rail G1 and outer rail G2 difference in height, if adjustable be 3 ~ 10mm etc. be convenient for study different inside and outside difference in height to the horizontal longitudinal displacement's of railway ballast influence. In addition, in this embodiment, in order to simulate the stress condition of the actual track bed D more truly, a layer of foundation soil is filled in the bottom layer of the ballast test box 20, and then the track bed D is formed by filling the ballast on the foundation soil. In this embodiment, the inner rail G1 and the outer rail G2 are also identical to the simulated real steel rail.
The transparent observation part 30 comprises a plurality of transparent observation windows, is arranged on four side walls of the ballast test box 20, realizes the effect of all-round visualization of the ballast bed, comprehensively shows the motion and the crushing condition of ballast particles in the ballast bed D, and is convenient for observation and monitoring of the degradation condition of the ballast bed. In this embodiment, a transparent observation window is formed by opening an opening on each side wall of the ballast test box 20 and installing an acrylic transparent window, and other materials with light weight, high strength, wear resistance and good transparency can be used for manufacturing the transparent observation window.
The two support frames 40 are respectively located near two sides of the ballast test box 20 and are not in contact with the ballast test box 20. Each support frame 40 is provided with two support legs to form a door-shaped structure, so that a visible area of the side test box is ensured to be left, and the transparent observation part 30 can be completely exposed.
Two mounting posts 50 are secured to the two support brackets 40 and correspond to the inner rail G1 and the outer rail G2 carried on the tie Z. As shown in fig. 5, each of the mounting posts 50 is provided with a plurality of rows of second mounting holes 51 and a plurality of rows of third mounting holes 52. The second mounting holes 51 are arranged at equal intervals along the axial direction of the mounting post 50; the third mounting holes 52 are provided in the region above the second mounting holes 51, and are also arranged at equal intervals in the axial direction of the mounting post 50.
The cross member 60 is mounted between the two mounting posts 50 at both ends thereof via a third connecting member 61 to be movable up and down. In this embodiment, the two ends of the cross beam 60 are provided with mounting holes corresponding to the third mounting holes 52, and the third connecting member 61 is a bolt and a nut matched with the third mounting holes 52. After the cross beam 60 is moved to a predetermined height position, the cross beam 60 is locked and fixed on the mounting post 50 by the third connecting piece 61. The third mounting hole 52 is located in the height adjustable region of the cross member 60.
The train simulation section 70 is configured to simulate the forces exerted by the train on the inner rail G1 and the outer rail G2 during a curve. The train simulation unit 70 includes: two longitudinal vibrators 71, two longitudinal mounting adjustment members 72, a transverse electric cylinder 73, a transverse mounting adjustment member 74, and a transverse connecting member 75.
Two longitudinal vibrators 71 correspond to the outer rail G2 and the inner rail G1, respectively, and each longitudinal vibrator 71 is matched with one longitudinal mounting adjustment member 72, and is mounted on the cross member 60 by the longitudinal mounting adjustment member 72. The driving ends of the two longitudinal vibrators 71 apply force to the corresponding outer rail G2 and inner rail G1, respectively, simulating the unbalanced force applied by the train at the turn to the outer rail G2 and the inner rail G1. In the present embodiment, the vertical vibrator 71 is a 10T oil pressure servo vertical loader.
As shown in fig. 6 and 7, the longitudinal-direction mounting adjustment member 72 is used to mount the longitudinal vibrator 71, and enables the longitudinal vibrator 71 to move back and forth in an adjustment position, and to rotate up and down to adjust an angle. The longitudinal installation adjusting member 72 includes a first connection plate 721, a first installation hole 722, a first fixing member 723, two first support plates 724, a first rotation shaft 725, a first scale region 726, a first indication line 727, and a first locking member. As shown in fig. 7, the first mounting holes 722 are formed in the cross member 60 and are arranged at equal intervals in the axial direction of the cross member 60, and the region where the first mounting holes 722 are located is the position adjustable region of the longitudinal vibrator 71. The first fixing member 723 is used to fixedly mount the first connecting plate 721 in the first mounting hole 722, and in this embodiment, the first fixing member 723 is a bolt and a nut. Two first supporting plates 724 are oppositely fixed on the first connecting plate 721, and each first supporting plate 724 is semicircular. The first shaft 725 is rotatably installed between the two first supporting plates 724 and is fixedly connected to the longitudinal vibrator 71. A first scale region 726 is provided on the first support plate 724 for displaying the rotation angle of the longitudinal vibrator 71. The first indicating line 727 is provided on the longitudinal vibrator 71 corresponding to the first scale region 726 to indicate a scale position corresponding to the rotation angle. The first locking member is used to lock and stop the first rotating shaft 725 after rotating to a predetermined angle, and in this embodiment, the first locking member is a lock nut.
The lateral electric cylinder 73 is mounted on the mounting post 50 corresponding to the outer rail G2 through a lateral mounting adjustment member 74, and the driving end applies a pulling force toward the outer rail G2, thereby simulating the centrifugal force generated by the train at the turn. The horizontal electric cylinder 73 employed in this embodiment is a linear electric cylinder having a maximum load of 3500 kN.
The lateral mounting adjustment member 74 is used to mount the lateral electric cylinder 73, and enables the lateral electric cylinder 73 to move back and forth in an adjustment position, and to rotate up and down to adjust an angle. The structure of the transverse installation adjusting member 74 is the same as that of the longitudinal installation adjusting member 72, and specifically includes: the second connecting plate, form on the erection column 50, the second mounting hole 51 arranged at equal intervals along the axial, the first fixed part 723 to fix the second connecting plate in the second mounting hole 51, two second supporting plates fixed on the second connecting plate relatively, the second spindle rotatably installed between two second supporting plates, the second scale area set on the second supporting plate for displaying the rotation angle, the second indication line set on the longitudinal vibrator 71 corresponding to the second scale area to indicate the angle position, and the second locking part locking and locking the second spindle after rotating to the predetermined angle. The second shaft is fixedly connected to the transverse electric cylinder 73.
As shown in fig. 8 and 9, the transverse connecting member 75 for fixedly connecting the transverse electric cylinder 73 and the outer rail G2 includes two pulling plates 751 and four pulling rods 752. One of the two pulling plates 751 is located outside the outer rail G2 and is fixedly connected to the driving rod of the transverse electric cylinder 73, and the other is located inside the outer rail G2. Four tie rods 752 pass through the outer rail G2 and are fixed at both ends to two tie plates 751. By the action of the pulling plate 751 and the pulling rod 752 and the outer rail G2, a pulling force is applied to simulate a centrifugal force.
The high-definition cameras are respectively arranged near the transparent observation windows and used for shooting the relative displacement change of the railway ballast, the movement of railway ballast particles and images of the crushing condition in real time.
As shown in fig. 10, in the present embodiment, the pressure sensors 80 are provided with eight groups in total: the first group of pressure sensors 81 is arranged at the bottom of the sleeper Z, at the area corresponding to the outer rail G2, where P2 represents the force transmitted by the outer rail G2; the second group of pressure sensors 82 is arranged at the bottom of the sleeper Z and at the area corresponding to the inner rail G1, wherein P1 represents the force transmitted by the inner rail G2; a third group of pressure sensors 83 is arranged at the bottom middle area of the sleeper Z; the fourth group of pressure sensors 84 is arranged on the bottom surface of the track bed D and is positioned right below the first group of pressure sensors 81; the fifth group of pressure sensors 85 is arranged on the bottom surface of the track bed D and is positioned right below the second group of pressure sensors 82; the sixth group of pressure sensors 86 are arranged on the bottom surface of the ballast and are positioned right below the third group of pressure sensors 83; the seventh group and the eighth group of pressure sensors 87 and 88 are respectively disposed on the side wall of the ballast test chamber 20 at regions corresponding to both end sides of the sleeper Z. By arranging the pressure sensors in the areas, the stress change conditions of the sleeper Z and the railway ballast at the turning position of the train can be recorded in real time.
The above is a specific structure of the test platform 10 provided in this embodiment, and the following describes a method for using the test platform 10:
firstly, according to the situation of a train turning to be simulated actually, a soil layer with a certain thickness is filled, and railway ballasts with a certain thickness and surface gradient are filled to form a railway bed D, and a sleeper Z with a corresponding specification, an inner rail G1 and an outer rail G2 are installed on the railway bed D.
Then, according to the actual situation of the train turning to be simulated, the load sizes and frequencies of the two longitudinal vibrators 71 are respectively set, the height of the cross beam 60 is adjusted through the third connecting member 61 to adjust the height of the two longitudinal vibrators 71, and further, the horizontal position and the force application angle of each longitudinal vibrator 71 are adjusted through the corresponding longitudinal installation adjusting member 72. Further, the magnitude and frequency of the load of the electric lateral cylinder 73 are set according to the actual situation of the train curve to be simulated, and the horizontal position and the biasing angle of the electric lateral cylinder 73 are adjusted by attaching the adjusting member 74 in the lateral direction.
Then, starting a high-definition camera, a pressure sensor 80, two longitudinal vibrators 71 and a transverse electric cylinder 73, starting to simulate the force application condition of the train on a sleeper Z and a track bed D at a turning position when the train passes through, shooting images of the relative displacement change of the railway ballast, the movement and the crushing condition of railway ballast particles in real time through the high-definition camera, and recording the stress change condition of the sleeper Z and the railway ballast at the turning position of the train in real time through the pressure sensor 80, the two longitudinal vibrators 71 and the stress strain sensors arranged in the transverse electric cylinder 73; the two independent longitudinal vibrators 71 can simulate the application of unbalance loads of left and right wheels when the train turns; and the whole test platform 10 can also simulate the extreme working conditions when the vehicle is derailed under critical load when turning.
In addition, during the test, the actually simulated condition of the train turning can also be used for laying reinforced materials (such as geogrids and geocells) under the sleepers Z to test the reinforcing effect of the turning track bed D, so that effective test basis is provided for the treatment measures of the transverse and longitudinal deterioration of the turning track bed D.
The above embodiments are merely illustrative of the technical solutions of the present invention. The test platform for simulating the influence of the unbalanced force of the sleeper at the turning of the train on the track bed is not limited to the structure described in the above embodiments, but is subject to the scope defined by the claims. Any modification, or supplement, or equivalent replacement made by those skilled in the art on the basis of the embodiments of the present invention is within the scope of the claimed invention.
Claims (8)
1. The utility model provides a test platform of simulation train turning place sleeper unbalanced force to influence of railway roadbed which characterized in that includes:
the device comprises a railway ballast test box, a railway ballast test box and a simulation test box, wherein the railway ballast test box is used for filling railway ballasts to form a railway bed, and an opening at the upper part is used for placing a sleeper for simulation on the railway bed;
the transparent observation part comprises a plurality of transparent observation windows which are arranged on four side walls of the railway ballast test box and used for displaying the movement and the crushing condition of railway ballast particles in the railway bed;
the two support frames are respectively positioned near two sides of the railway ballast test box;
the two mounting columns are respectively fixed on the two support frames and correspond to the inner rail and the outer rail for simulation mounted on the sleeper;
the cross beam is erected between the two mounting columns; and
the train simulation department, is used for simulating the train in the effort that turns in-process applys to the inner rail with outer rail, include: the device comprises a transverse electric cylinder, two longitudinal vibrators and three mounting and adjusting members respectively corresponding to the transverse electric cylinder and the two longitudinal vibrators; the transverse electric cylinder is movably and angularly mounted on the mounting column corresponding to the outer rail through one mounting adjusting component, and a driving end applies pulling force to the outer rail to simulate centrifugal force generated during turning; the two longitudinal vibrators are movably and angularly arranged on the cross beam through the corresponding installation adjusting members and correspond to the outer rail and the inner rail respectively, and driving ends of the two longitudinal vibrators independently apply force to the corresponding outer rail and the corresponding inner rail respectively to simulate unbalanced acting force applied to the outer rail and the inner rail by a train at a turning position.
2. The test platform for simulating the influence of the unbalanced force of the sleeper at the train turning on the track bed as claimed in claim 1, wherein:
wherein the adjusting member corresponding to the longitudinal vibrator is used as a longitudinally installed adjusting member, the adjusting member corresponding to the transverse electric cylinder is used as a transversely installed adjusting member,
the longitudinal installation adjustment member includes: the first connecting plate is formed on the cross beam, first mounting holes are formed in the cross beam and are arranged at equal intervals along the axial direction, a first fixing piece is used for fixedly mounting the first connecting plate in the first mounting holes, two first supporting plates are fixed on the first connecting plate oppositely, a first rotating shaft is rotatably mounted between the two first supporting plates, a first scale area is arranged on the first supporting plates and is used for displaying a rotating angle, a first indicating line is arranged on the longitudinal vibrator and corresponds to the first scale area to indicate the angular position, and a first locking piece is used for locking and stopping the first rotating shaft after the longitudinal vibrator rotates to a preset angle;
the longitudinal vibrator is fixedly connected with the first rotating shaft;
the lateral installation adjustment member includes: the second connecting plate is formed on the mounting column, the second mounting holes are arranged at equal intervals along the axial direction, the first fixing piece is used for fixedly mounting the second connecting plate in the second mounting holes, the two second support plates are fixed on the second connecting plate oppositely, the second rotating shaft is rotatably mounted between the two second support plates, the second scale area is arranged on the second support plates and used for displaying a rotating angle, the second indication line is arranged on the longitudinal vibrator and corresponds to the second scale area to indicate the angle position, and the second locking piece is used for locking and stopping the second rotating shaft after the longitudinal vibrator rotates to a preset angle;
and the transverse electric cylinder is fixedly connected with the second rotating shaft.
3. The test platform for simulating the influence of the unbalanced force of the sleeper at the train turning on the track bed as claimed in claim 1, wherein:
the train simulation part further comprises a transverse connecting member for fixedly connecting the transverse electric cylinder and the outer rail, wherein the transverse connecting member comprises two pulling plates and a plurality of pulling rods; one of the two pulling plates is positioned at the outer side of the outer rail and is fixedly connected with a driving rod of the transverse electric cylinder, and the other pulling plate is positioned at the inner side of the outer rail; the pull rod penetrates through the outer rail, and two ends of the pull rod are respectively fixed on the two pull plates.
4. The test platform for simulating the influence of the unbalanced force of the sleeper at the train turning on the track bed as claimed in claim 2, wherein:
wherein, a plurality of third mounting holes which are arranged at equal intervals along the axial direction are arranged in the area of each mounting column above the second mounting hole,
and two ends of the cross beam are erected between the two mounting columns in a manner of moving up and down through a third connecting piece matched with the third mounting hole.
5. The test platform for simulating the influence of the unbalanced force of the sleeper at the train turning on the track bed as claimed in claim 1, wherein:
wherein, every the support frame is the gate-type structure lets transparent observation portion exposes.
6. The test platform for simulating the effect of train corner tie imbalance forces on a track bed as recited in claim 1, further comprising:
and the high-definition cameras are respectively arranged near the transparent observation windows and are used for shooting the motion and crushing condition images of the ballast particles in real time.
7. The test platform for simulating the effect of train corner tie imbalance forces on a track bed as recited in claim 1, further comprising:
a first group of pressure sensors are arranged at the bottom of the sleeper and the area corresponding to the outer rail, a second group of pressure sensors are arranged at the bottom of the sleeper and the area corresponding to the inner rail, a third group of pressure sensors are arranged at the middle area of the bottom of the sleeper, a fourth group of pressure sensors are arranged on the bottom surface of the railway ballast, and the pressure sensors are arranged under the first group of pressure sensors, the pressure sensors are arranged on the bottom surface of the railway ballast and under the second group of pressure sensors, the pressure sensors are arranged on the bottom surface of the railway ballast and under the third group of pressure sensors, and the pressure sensors are respectively arranged on the side wall of the railway ballast test box in areas corresponding to the two end side surfaces of the sleeper.
8. The test platform for simulating the influence of the unbalanced force of the sleeper at the train turning on the track bed as claimed in claim 1, wherein:
the side wall of the ballast test box is provided with a scale area for displaying the height of the internal filling material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433037.4U CN211347411U (en) | 2019-12-30 | 2019-12-30 | Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433037.4U CN211347411U (en) | 2019-12-30 | 2019-12-30 | Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211347411U true CN211347411U (en) | 2020-08-25 |
Family
ID=72103480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922433037.4U Active CN211347411U (en) | 2019-12-30 | 2019-12-30 | Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211347411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986069A (en) * | 2021-02-26 | 2021-06-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Ballast particle deterioration index analyzer and analysis method |
-
2019
- 2019-12-30 CN CN201922433037.4U patent/CN211347411U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986069A (en) * | 2021-02-26 | 2021-06-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Ballast particle deterioration index analyzer and analysis method |
| CN112986069B (en) * | 2021-02-26 | 2023-01-17 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Degradation index analyzer for ballast particles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Guo et al. | Review of ballast track tamping: Mechanism, challenges and solutions | |
| US11359999B2 (en) | Experimental platform and experimental method for simulating coal rock disaster of coal mine stope | |
| CN107063883B (en) | Multifunctional soil mechanics combined test device and test method | |
| CN109839315B (en) | Bidirectional sliding type physical model box and cross-fault tunnel mechanical behavior testing method | |
| CN109406172B (en) | Soil tank test device suitable for wheel travelling performance test | |
| CN104198310B (en) | A kind of indoor prose style free from parallelism ballast track bed CYCLIC LOADING is made firm by ramming test bed | |
| CN102733317B (en) | Plane rotation construction technique for steel truss girder for existing bridge spanning construction | |
| CN104034607B (en) | Large-sized multifunction geosynthetics interface motivation direct shear apparatus | |
| CN211347411U (en) | Test platform for simulating influence of unbalanced force of sleeper at turning position of train on track bed | |
| CN106702833A (en) | Construction equipment and construction process for metro direct-laying base vibration and leveling | |
| CN110940571A (en) | Test device for simulating dynamic soil arch effect of shed frame structure | |
| CN203929538U (en) | A kind of indoor prose style free from parallelism ballast track bed CYCLIC LOADING is made firm by ramming test bed | |
| CN111648169A (en) | Elastic supporting block type integral ballast bed rapid construction method | |
| CN115559168A (en) | Rapid rush-repair method for local damaged area of airport pavement | |
| CN110359507A (en) | Authentic scene collision detecting device and application method | |
| CN112593470B (en) | Rock engineering layer soil bedding equipment for geotechnical engineering | |
| CN208235606U (en) | A kind of multifunctional large-scale roadbed experimental system | |
| CN111521364A (en) | Bridge damage and damage simulation device under action of near fault seismic motion and simulation method thereof | |
| CN206655067U (en) | One kind is vibrated and integer construction equipment for the straight shop fixtures seat of subway | |
| CN116296190A (en) | Test method for simulating full-process movement of collapse rock under earthquake action by same device | |
| CN115078103A (en) | Dynamic deflection testing device based on full-scale pavement model and using method | |
| CN210063003U (en) | Ground penetrating radar auxiliary device for train track detection | |
| CN102535277B (en) | Device for completely moving railway turnout | |
| CN214472326U (en) | Adjustable prototype test device for pipe curtain structural member | |
| CN113774807A (en) | Upper-span bridge swivel construction method applied to narrow and limited operation space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |